Translation of "Optimistic" in Chinese

I'm very optimistic.

我非常樂觀。

Others are less optimistic.

其他人不那么乐观。

Tom won't be optimistic.

汤姆不会乐观。

- I think Tom is optimistic.
- I think that Tom is optimistic.

我認為湯姆樂觀。

Your view is too optimistic.

你的看法過於樂觀。

- You're optimistic.
- You're an optimist.

你是个乐观主义者。

- I am not as optimistic as you are.
- I'm not as optimistic as you are.
- I'm not as optimistic as you.

- 我不像你那么乐观。
- 我没有你那么乐观。

I'm sure Tom will be optimistic.

我肯定汤姆会乐观。

His view seems to be too optimistic.

他的看法似乎太樂觀了。